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J , Sequoia 680 Chesapeake Dnve Redwood City CA 94063 (415) 364 9600 PAX(415) 364 9233 <br /> g` 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510) 988 9673 <br /> wigAnalytical 819 Stnker Avenuc Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Delta Environmental Consultants <,r Client Project ID Unocal##5886, Stockton,rCA f Sampled Sep 4; 1996 <br /> '3164 Gold Camp Dr, Suite 200 Sample Matrix Soil Received Sep 5, 1996 <br /> Mancha Cordova, CA 95670 Analysis Method EPA 5030/8020 Modified Reported Sep 19, 1996 <br /> Attention Eric Holm First Sample# 609-0208 <br /> +x v ::: x r fir t'J ♦ v nv.v.. _:y 4.�..�.-.�..-nM w 1 f " x r <br /> Ttyr Vxnv't r v -.. u o n v,V r J r '- <br /> Methyl <br /> .Methyl Tertiary Butyl Ether (MTBE) <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit 1.0 1 D. I.D. 1 D. 1.10 1 D <br /> mg/kg 609-0208 609-0209 609-0210 609-0211 609-0212 609-0213 <br /> MW-1-10 MW-1-is MW-1-25 MW-2-11 5 MW-2-16 5 MW-2-25 0 <br /> MTBE 0 050 N D N D N D 12 086 012 <br /> i <br /> Quality Control Data <br /> Report Limit Multiplication Factor 10 1 0 10 50 10 1 0 <br /> Date Analyzed 09/16/96 09/16/96 09/16/96 09/16/96 09/16/96 09/16/96 <br /> Instrument Identrlication GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP-1 <br /> Surrogate Recovery 84 84 90 81 91 89 <br /> (QC Limits = 70-130%) <br /> Analytes reported as N D were not detected at or above the reporting i1m1t <br /> SEQUOIA ANALYTICAL. FLAP #1624 <br /> Oda C Schneider <br /> Project Manager/Sacramento Laboratory <br /> sasa2oa cL� �3� I <br />